GE Fanuc GERx3i via TCP/IP - Data Types
- Last UpdatedAug 04, 2025
- 1 minute read
Note: GETCP driver will not allow writing to individual bits in W register. User can write 16 bit value to W register.
|
Data Types |
Address Format |
Plant SCADA Data Type |
|---|---|---|
|
Discrete Input |
Ia |
DIGITAL |
|
Discrete Output |
Qa |
DIGITAL |
|
System Register |
Rf |
INT, LONG, REAL, BCD, LONGBCD, STRING |
|
Retentive Bulk Memory Register |
Wi |
INT, LONG, REAL, BCD, LONGBCD, STRING |
|
Global |
GAh |
DIGITAL |
|
Global |
GBh |
DIGITAL |
|
Global |
GCh |
DIGITAL |
|
Global |
GDh |
DIGITAL |
|
Global |
GEh |
DIGITAL |
|
Temporary Coil |
Tg |
DIGITAL |
|
Momentary Coil |
Ma |
DIGITAL |
|
System Status |
Sb |
DIGITAL (RO) |
|
System Memory A |
SAb |
DIGITAL |
|
System Memory B |
SBb |
DIGITAL |
|
System Memory C |
SCb |
DIGITAL |
|
Analog Input |
AIc |
INT, LONG, REAL, BCD, LONGBCD, STRING (RO) |
|
Analog Output |
AQc |
INT, LONG, REAL, BCD, LONGBCD, STRING |
|
PLC Fault Table |
PLCFd |
BYTE (RO) |
|
IO Fault Table |
IOFe |
BYTE (RO) |
Where
|
a |
1 to 32768 |
|
b |
1 to 128 |
|
c |
1 to 32640 |
|
d |
0 to 683 |
|
e |
0 to 1355 |
|
f |
1 to 32768 |
|
g |
1 to 1024 |
|
h |
1 to 1280 |
|
i |
1 to 2621441 |
Note: Currently the maximum STRING length is 8 bytes. Only the first eight characters are written to the PLC and set the rest to zero. For example: assume the input value is "abcdefghijklmn" , the value in the PLC will be "abcdefgh\0\0\0\0\0\0".
Examples
|
Data Type |
DIGITAL |
|
Address |
I0025 |
|
Comment |
Discrete Digital Input 25 |
|
Data Type |
INT |
|
Address |
R0100 |
|
Comment |
System Register 100 |